Biological control of Pseudomonas syringae pv. garcae in coffee crop with Bacillus spp. isolates

Silva, Fabrício Júnio e; Vieira, Bruno Sérgio; Siquieroli, Ana Carolina Silva

doi:10.15361/1984-5529.2019v47n4p364-370

Cited by 2 publications

(1 citation statement)

References 21 publications

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“…The phytopathogenic bacterium Pseudomonas syringae pv. garcae (Psg) is responsible for the coffee halo blight disease of coffee plants [12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Molecular Characterization and Genome Mechanical Features of Two Newly Isolated Polyvalent Bacteriophages Infecting Pseudomonas syringae pv. garcae

Silva,

Quinde,

Cieza

et al. 2024

Genes

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Coffee plants have been targeted by a devastating bacterial disease, a condition known as bacterial blight, caused by the phytopathogen Pseudomonas syringae pv. garcae (Psg). Conventional treatments of coffee plantations affected by the disease involve frequent spraying with copper- and kasugamycin-derived compounds, but they are both highly toxic to the environment and stimulate the appearance of bacterial resistance. Herein, we report the molecular characterization and mechanical features of the genome of two newly isolated (putative polyvalent) lytic phages for Psg. The isolated phages belong to class Caudoviricetes and present a myovirus-like morphotype belonging to the genuses Tequatrovirus (PsgM02F) and Phapecoctavirus (PsgM04F) of the subfamilies Straboviridae (PsgM02F) and Stephanstirmvirinae (PsgM04F), according to recent bacterial viruses’ taxonomy, based on their complete genome sequences. The 165,282 bp (PsgM02F) and 151,205 bp (PsgM04F) genomes do not feature any lysogenic-related (integrase) genes and, hence, can safely be assumed to follow a lytic lifestyle. While phage PsgM02F produced a morphogenesis yield of 124 virions per host cell, phage PsgM04F produced only 12 virions per host cell, indicating that they replicate well in Psg with a 50 min latency period. Genome mechanical analyses established a relationship between genome bendability and virion morphogenesis yield within infected host cells.

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“…The phytopathogenic bacterium Pseudomonas syringae pv. garcae (Psg) is responsible for the coffee halo blight disease of coffee plants [12][13][14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Molecular Characterization and Genome Mechanical Features of Two Newly Isolated Polyvalent Bacteriophages Infecting Pseudomonas syringae pv. garcae

Silva,

Quinde,

Cieza

et al. 2024

Genes

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Newly isolated phages preying on Pseudomonas syringae pv. garcae: In vitro and ex vivo inactivation studies in coffee plant leafs

Silva,

Rodrigues,

Vila

et al. 2023

Enzyme and Microbial Technology

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Biological control of Pseudomonas syringae pv. garcae in coffee crop with Bacillus spp. isolates

Abstract: Biological control of Pseudomonas syringae pv. garcae in coffee crop with Bacillus spp. isolates Controle biológico de Pseudomonas syringae pv. garcae em cafeeiro com isolados de Bacillus spp.

Cited by 2 publications

References 21 publications

Molecular Characterization and Genome Mechanical Features of Two Newly Isolated Polyvalent Bacteriophages Infecting Pseudomonas syringae pv. garcae

Molecular Characterization and Genome Mechanical Features of Two Newly Isolated Polyvalent Bacteriophages Infecting Pseudomonas syringae pv. garcae

Newly isolated phages preying on Pseudomonas syringae pv. garcae: In vitro and ex vivo inactivation studies in coffee plant leafs

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